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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 36261Generated: October 26, 2026

Dichloromethane → 5-n-Butyl-2,4-dihydro-2-(3-nitrophenyl)-4-[(2'-sulfamoylbiphenyl-4-yl)methyl]-3H-1,2,4-triazol-3-one

https://huagongshe.com/reaction/36261

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantHCID 19939381HCID 19939381—
SolventMethanolHCID 887—
Product5-n-Butyl-2,4-dihydro-2-(3-nitrophenyl)-4-[(2'-sulfamoylbiphenyl-4-yl)methyl]-3H-1,2,4-triazol-3-oneHCID 1993938394%

Reaction Steps

The title compound was prepared from 5-n-butyl-4-[[2'-(N-t-butylsulfamoyl)biphenyl-4-yl]methyl]-2,4-dihydro-2-(3-nitrophenyl)-3H-1,2,4-triazol-3-one (from Step B) according to the procedure of Example 13, Step B, and was obtained in 94% yield as a pale yellow solid after flash chromatography, mp 73°-76° C., homogenous by TLC (19:1 CH2Cl2 --MeOH); mass spectrum (FAB) m/e 508 (M+1)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05411980
Source datasetuspto-grants-1995_05
ORD IDord-bea3f371ba70419a8eccb7a9cb6009fa
Source noteuspto-grants-1995_05